Home / 719,016.54-992,263.58-396,747.39

Finding the Fourth Proportional to 719,016.54, 992,263.58 and 396,747.39

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Solution

The fourth proportional to 719,016.54, 992,263.58 and 396,747.39 is: 547,522.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,016.54 : 992,263.58 = 396,747.39 : x
  2. Step 2: Convert to fraction form
    719,016.54/992,263.58 = 396,747.39/x
  3. Step 3: Cross multiply
    719,016.54x = 992,263.58 × 396,747.39
  4. Step 4: Simplify right side
    719,016.54x = 393,677,985,557.06
  5. Step 5: Solve for x
    x = 393,677,985,557.06/719,016.54
  6. Step 6: Final answer
    x = 547,522.85

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.